답안 #1098727

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1098727	2024-10-09T19:30:35 Z	sano	Mobile (BOI12_mobile)	C++14	60 / 100	1000 ms	51504 KB

mobile

#include<iostream>
#include<vector>
#include<queue>
#include<deque>
#include<string>
#include<fstream>
#include<algorithm>
#include <iomanip>
#include<map>
#include <set>
#include <unordered_map>
#include <stack>
#include <unordered_set>
#include <cmath>
#define ll long long
#define For(i, n) for(int i = 0; i < (int)n; i++)
#define ffor(i, a, n) for(int i = (int)a; i < (int)n; i++)
#define rfor(i, n) for(int i = (int)n; i >= (int)0; i--)
#define rffor(i, a, n) for(int i = (int)n; i >= (int)a; i--)
#define vec vector
#define ff first
#define ss second
#define pb push_back
#define shit short int
#define pii pair<long double, long double>
#define NEK 2147483640
#define mod 1000000007
#define mod2 1000000009
#define rsz resize 
#define prv1 43
#define prv2 47
#define D 8

using namespace std;

int main() {
	long double n, asd;
	cin >> n >> asd;
	vec<pii> p;
	For(i, n) {
		long double x, y;
		cin >> x >> y;
		x *= 100000; y *= 100000;
		if (p.size() > 0) {
			if (x == p.back().ff && y > 0 && p.back().ss > 0) continue;
			if (x == p.back().ff && y < 0) p.pop_back();
		}
		p.push_back({ x, y });
	}
	ll l = 0;
	ll r = 141421357000000;
	asd *= 100000;
	while (l < r) {
		long double mid = (l + r) / 2;
		long double k = 0;
		For(i, p.size()) {
			long double jeden = mid * mid;
			long double dva = p[i].second * p[i].second;
			long double tri = jeden - dva;
			long double d = sqrt(tri);
			long double s = p[i].ff - d;
			long double e = p[i].ff + d;
			if (s > k) continue;
			k = max(k, e);
		}
		if (k >= asd) r = mid;
		else l = mid + 1;
	}
	cout << fixed << setprecision(5);
	long double l2 = l;
	l2 /= 100000;
	cout << l2 << '\n';
	return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	436 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct

Subtask #2
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	348 KB	Output is correct
2	Correct	3 ms	604 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	3 ms	604 KB	Output is correct

Subtask #4
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	604 KB	Output is correct
2	Correct	4 ms	860 KB	Output is correct
3	Correct	3 ms	348 KB	Output is correct
4	Correct	8 ms	860 KB	Output is correct

Subtask #5
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	604 KB	Output is correct
2	Correct	4 ms	860 KB	Output is correct
3	Correct	3 ms	348 KB	Output is correct
4	Correct	10 ms	860 KB	Output is correct

Subtask #6
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	860 KB	Output is correct
2	Correct	5 ms	860 KB	Output is correct
3	Correct	3 ms	348 KB	Output is correct
4	Correct	9 ms	860 KB	Output is correct
5	Correct	3 ms	516 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	86 ms	5368 KB	Output is correct
2	Correct	55 ms	3280 KB	Output is correct
3	Correct	48 ms	3024 KB	Output is correct
4	Correct	121 ms	5840 KB	Output is correct
5	Correct	21 ms	812 KB	Output is correct

Subtask #8
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	42 ms	1740 KB	Output is correct
2	Correct	74 ms	3280 KB	Output is correct
3	Correct	116 ms	5660 KB	Output is correct
4	Correct	118 ms	5568 KB	Output is correct
5	Correct	136 ms	5828 KB	Output is correct

Subtask #9
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	60 ms	5312 KB	Output is correct
2	Correct	70 ms	3572 KB	Output is correct
3	Correct	77 ms	5568 KB	Output is correct
4	Correct	171 ms	6080 KB	Output is correct
5	Correct	67 ms	2248 KB	Output is correct

Subtask #10
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	71 ms	3916 KB	Output is correct
2	Correct	75 ms	3816 KB	Output is correct
3	Correct	55 ms	2052 KB	Output is correct
4	Correct	172 ms	6028 KB	Output is correct
5	Correct	131 ms	5564 KB	Output is correct

Subtask #11
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	95 ms	5692 KB	Output is correct
2	Correct	67 ms	3784 KB	Output is correct
3	Correct	53 ms	1996 KB	Output is correct
4	Correct	179 ms	6152 KB	Output is correct
5	Correct	136 ms	5564 KB	Output is correct

Subtask #12
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	395 ms	20376 KB	Output is correct
2	Correct	297 ms	8464 KB	Output is correct
3	Correct	284 ms	7884 KB	Output is correct
4	Correct	901 ms	25748 KB	Output is correct
5	Correct	631 ms	21488 KB	Output is correct

Subtask #13
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	308 ms	8912 KB	Output is correct
2	Correct	631 ms	22420 KB	Output is correct
3	Correct	317 ms	9140 KB	Output is correct
4	Correct	833 ms	25440 KB	Output is correct
5	Correct	754 ms	22688 KB	Output is correct

Subtask #14
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	461 ms	37876 KB	Output is correct
2	Correct	381 ms	9928 KB	Output is correct
3	Correct	343 ms	9420 KB	Output is correct
4	Execution timed out	1080 ms	43948 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #15
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	382 ms	10636 KB	Output is correct
2	Correct	847 ms	40344 KB	Output is correct
3	Correct	326 ms	11452 KB	Output is correct
4	Execution timed out	1026 ms	43756 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #16
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	490 ms	37936 KB	Output is correct
2	Correct	437 ms	11468 KB	Output is correct
3	Correct	406 ms	10700 KB	Output is correct
4	Execution timed out	1069 ms	43628 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #17
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	445 ms	12236 KB	Output is correct
2	Correct	964 ms	40436 KB	Output is correct
3	Correct	417 ms	12880 KB	Output is correct
4	Execution timed out	1064 ms	43416 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #18
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	605 ms	38032 KB	Output is correct
2	Correct	465 ms	12956 KB	Output is correct
3	Correct	447 ms	12240 KB	Output is correct
4	Execution timed out	1043 ms	43668 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #19
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	516 ms	13772 KB	Output is correct
2	Execution timed out	1068 ms	40468 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #20
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	768 ms	40324 KB	Output is correct
2	Correct	631 ms	16080 KB	Output is correct
3	Correct	583 ms	15308 KB	Output is correct
4	Execution timed out	1058 ms	51504 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #21
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	652 ms	17032 KB	Output is correct
2	Execution timed out	1022 ms	44288 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

답안 #1098727

Compilation message